title: A comparison of welfare, health and production performance of laying hens reared in cages or in aviaries.
mesh_terms: D000827:Animal Welfare / Q000592:standards*; D000818:Animals; D002645:Chickens; D005260:Female; D006304:Health Status; D006799:Housing, Animal / Q000592:standards*; D010058:Oviposition / Q000502:physiology*